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Spectra 98215 HVAC Heater Core - Rear
Spectra 98215 HVAC Heater Core
The Spectra 98215 HVAC heater core is a specific-fit replacement for rear heating systems in select Audi, Bentley, and related applications. Built with aluminum core, tank, and tube construction, it is engineered to match the performance expectations of the original equipment unit it replaces.
Fits 2010-2025 Audi A8 Quattro, rear; Fits 2020-2025 Audi RS Q8; Fits 2020-2025 Audi SQ7, rear; Fits 2017-2024 Audi Q7, rear; Fits 2019-2024 Audi Q8, rear; Fits 2020-2024 Audi S8, rear; Fits 2013-2018 Audi S8, rear; Fits 2010 Audi S8, rear; Fits 2020-2021 Audi SQ8, rear; Fits 2011-2020 Bentley Mulsanne; Fits 2017-2026 Bentley Bentayga.
Key Features
- Specific-fit HVAC heater core for rear or N/A-position applications listed above
- Aluminum core material for efficient heat transfer
- Aluminum tank and tube construction
- Inlet pipe diameter: 16 mm (0.625 in.)
- Outlet pipe diameter: 16 mm (0.625 in.)
- Direct replacement format for select Audi A8 Quattro, Q7, Q8, S8, SQ7, SQ8, RS Q8, Bentley Bentayga, and Bentley Mulsanne applications
Detailed Description
Spectra Premium HVAC heater cores are manufactured with engineering, production, and quality control processes aimed at meeting or exceeding the performance of the original equipment part. The Spectra 98215 uses aluminum throughout the core, tank, and tube assembly, with 16 mm inlet and outlet pipe diameters for the listed vehicle applications. This part number 98215 is a direct-fit solution for rear HVAC service on select Audi and Bentley models, including Audi A8 Quattro, Q7, Q8, S8, SQ7, SQ8, and RS Q8, as well as Bentley Bentayga and Bentley Mulsanne.
This part cross-references Dorman - HELP 92425 for the same application.
What It Helps Fix
- Weak or uneven cabin heat from a failing rear heater core
- Coolant seepage caused by internal heater core deterioration
- Restricted heat output due to clogged heater core passages
- Temperature imbalance in rear HVAC zones
- Loss of heater performance in Audi and Bentley rear HVAC systems
Installation Notes and Tips
Confirm the vehicle year, make, model, and rear HVAC position before installation. Verify inlet and outlet pipe diameter match the existing system at 16 mm (0.625 in.). Inspect hoses, clamps, and coolant condition during heater core replacement, and bleed the cooling system according to the vehicle service procedure after installation.
Quality Assurance
Spectra Premium applies engineering and quality control standards to help ensure this heater core meets or exceeds OE performance expectations for the listed applications.
| Brand | Spectra |
|---|---|
| Part Number | 98215 |
| Length | 1 |
| Length | 26 |
| Width | 122.5 |
| Width | 4.8125 |
| Core Material | Aluminum |
| Tank Material | Aluminum |
| Height | 103.5 |
| Height | 4.0625 |
| Universal Or Specific Fit | Specific |
| Tube Material | Aluminum |
| Outlet Pipe Diameter | 0.625 |
| Outlet Pipe Diameter | 16 |
| Inlet Pipe Diameter | 0.625 |
| Inlet Pipe Diameter | 16 |
This part fits 76 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2026 | Bentley | Bentayga | 4.0L | V8 | N/A | |
| 2025 | Audi | A8 Quattro | 4.0L | V8 | Rear | |
| 2025 | Audi | RS Q8 | 4.0L | V8 | N/A | |
| 2025 | Audi | SQ7 | 4.0L | V8 | Rear | |
| 2025 | Bentley | Bentayga | 4.0L | V8 | N/A | |
| 2024 | Audi | A8 Quattro | 3.0L | V6 | Rear | |
| 2024 | Audi | Q7 | 3.0L | V6 | Rear | |
| 2024 | Audi | Q8 | 3.0L | V6 | Rear | |
| 2024 | Audi | RS Q8 | 4.0L | V8 | N/A | |
| 2024 | Audi | S8 | 4.0L | V8 | Rear | |
| 2024 | Audi | SQ7 | 4.0L | V8 | Rear | |
| 2024 | Bentley | Bentayga | 4.0L | V8 | N/A | |
| 2023 | Audi | A8 Quattro | 4.0L | V8 | Rear | |
| 2023 | Audi | Q7 | 3.0L | V6 | Rear | |
| 2023 | Audi | Q8 | 3.0L | V6 | Rear | |
| 2023 | Audi | RS Q8 | 4.0L | V8 | N/A | |
| 2023 | Audi | S8 | 4.0L | V8 | Rear | |
| 2023 | Audi | SQ7 | 4.0L | V8 | Rear | |
| 2023 | Bentley | Bentayga | 4.0L | V8 | N/A | |
| 2022 | Audi | A8 Quattro | 3.0L | V6 | Rear | |
| 2022 | Audi | Q7 | 3.0L | V6 | Rear | |
| 2022 | Audi | Q8 | 3.0L | V6 | Rear | |
| 2022 | Audi | RS Q8 | 4.0L | V8 | N/A | |
| 2022 | Audi | S8 | 4.0L | V8 | Rear | |
| 2022 | Audi | SQ7 | 4.0L | V8 | Rear | |
| 2022 | Bentley | Bentayga | 6.0L | W12 | N/A | |
| 2021 | Audi | A8 Quattro | 4.0L | V8 | Rear | |
| 2021 | Audi | Q7 | 3.0L | V6 | Rear | |
| 2021 | Audi | Q8 | 3.0L | V6 | Rear | |
| 2021 | Audi | RS Q8 | 4.0L | V8 | N/A | |
| 2021 | Audi | S8 | 4.0L | V8 | Rear | |
| 2021 | Audi | SQ7 | 4.0L | V8 | Rear | |
| 2021 | Audi | SQ8 | 4.0L | V8 | Rear | |
| 2021 | Bentley | Bentayga | 6.0L | W12 | N/A | |
| 2020 | Audi | A8 Quattro | 4.0L | V8 | Rear | |
| 2020 | Audi | Q7 | 3.0L | V6 | Rear | |
| 2020 | Audi | Q8 | 3.0L | V6 | Rear | |
| 2020 | Audi | RS Q8 | 4.0L | V8 | N/A | |
| 2020 | Audi | S8 | 4.0L | V8 | Rear | |
| 2020 | Audi | SQ7 | 4.0L | V8 | Rear | |
| 2020 | Audi | SQ8 | 4.0L | V8 | Rear | |
| 2020 | Bentley | Bentayga | 6.0L | W12 | N/A | |
| 2020 | Bentley | Mulsanne | 6.8L | V8 | N/A | |
| 2019 | Audi | A8 Quattro | 4.0L | V8 | Rear | |
| 2019 | Audi | Q7 | 3.0L | V6 | Rear | |
| 2019 | Audi | Q8 | 3.0L | V6 | Rear | |
| 2019 | Bentley | Bentayga | 6.0L | W12 | N/A | |
| 2019 | Bentley | Mulsanne | 6.8L | V8 | N/A | |
| 2018 | Audi | A8 Quattro | 6.3L | W12 | Rear | |
| 2018 | Audi | Q7 | 3.0L | V6 | Rear | |
| 2018 | Audi | S8 | 4.0L | V8 | Rear | |
| 2018 | Bentley | Bentayga | 6.0L | W12 | N/A | |
| 2018 | Bentley | Mulsanne | 6.8L | V8 | N/A | |
| 2017 | Audi | A8 Quattro | 6.3L | W12 | Rear | |
| 2017 | Audi | Q7 | 3.0L | V6 | Rear | |
| 2017 | Audi | S8 | 4.0L | V8 | Rear | |
| 2017 | Bentley | Bentayga | 6.0L | W12 | N/A | |
| 2017 | Bentley | Mulsanne | 6.8L | V8 | N/A | |
| 2016 | Audi | A8 Quattro | 6.3L | W12 | Rear | |
| 2016 | Audi | S8 | 4.0L | V8 | Rear | |
| 2016 | Bentley | Mulsanne | 6.8L | V8 | N/A | |
| 2015 | Audi | A8 Quattro | 6.3L | W12 | Rear | |
| 2015 | Audi | S8 | 4.0L | V8 | Rear | |
| 2015 | Bentley | Mulsanne | 6.8L | V8 | N/A | |
| 2014 | Audi | A8 Quattro | 6.3L | W12 | Rear | |
| 2014 | Audi | S8 | 4.0L | V8 | Rear | |
| 2014 | Bentley | Mulsanne | 6.8L | V8 | N/A | |
| 2013 | Audi | A8 Quattro | 6.3L | W12 | Rear | |
| 2013 | Audi | S8 | 4.0L | V8 | Rear | |
| 2013 | Bentley | Mulsanne | 6.8L | V8 | N/A | |
| 2012 | Audi | A8 Quattro | 6.3L | W12 | Rear | |
| 2012 | Bentley | Mulsanne | 6.8L | V8 | N/A | |
| 2011 | Audi | A8 Quattro | 4.2L | V8 | Rear | |
| 2011 | Bentley | Mulsanne | 6.8L | V8 | N/A | |
| 2010 | Audi | A8 Quattro | 6.0L | W12 | Rear | |
| 2010 | Audi | S8 | 5.2L | V10 | Rear |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.